new File(file, accessorsClassFilePath).isFile()
            }
        )
    }

    private Matcher<Iterable<? super File>> hasAccessorsSource() {
        return hasItem(
            matching({ it.appendText("accessors source") }) { File file ->
                new File(file, accessorsSourceFilePath).isFile()
            }
        )
    }

        inDirectory(annotationProcessorPublisher.projectDir).withTasks('publish').run()

        then:
        annotationProcessorPublisher.publishedJarFile.isFile()
        annotationProcessorPublisher.publishedPomFile.isFile()

        when:
        buildFile << basicScalaProject()

            if (executable != null) {
                executables.put(exeName, executable);
            }
        }
        return executable == null || !executable.isFile() ? new MissingTool(key, exeName, pathEntries) : new FoundTool(executable);
    }

    private File findExecutable(OperatingSystem operatingSystem, String name) {

	defer func() {
		TestHookDidSendFile(dstFD, src, written, err, handled)
	}()
	if err := dstFD.writeLock(); err != nil {
		return 0, err, false
	}
	defer dstFD.writeUnlock()

	if err := dstFD.pd.prepareWrite(dstFD.isFile); err != nil {
		return 0, err, false
	}

	dst := dstFD.Sysfd
	for remain > 0 {
		n := maxSendfileSize
		if int64(n) > remain {
			n = int(remain)
		}
		n, err = syscall.Sendfile(dst, src, nil, n)

                "Expected source directories but got none"
            }

            val subprojectSourcePath = "org/gradle/StartParameter.java"
            val subprojectFound = sourceDirs.find { it.resolve(subprojectSourcePath).isFile }
            require(subprojectFound != null) {
                "Source directories do not contain subproject file '${'$'}subprojectSourcePath'. Searched in:\n  " +
                    sourceDirs.joinToString("  \n")

        inDirectory(annotationProcessorPublisher.projectDir).withTasks('publish').run()

        then:
        annotationProcessorPublisher.publishedJarFile.isFile()
        annotationProcessorPublisher.publishedPomFile.isFile()

        when:
        buildFile << basicJavaProject()

            def bat = new File(bin, "mvn.bat")
            return bat.isFile() ? bat : new File(bin, "mvn.cmd")
        }
        return new File(bin, "mvn")
    }

    static boolean valid(File home) {
        def mvn = findMvnExecutable(home)
        home.isDirectory() && mvn.isFile()
    }

    static String probeVersion(File home) {
        def mvn = findMvnExecutable(home)

	// this is used by Fchdir to emulate setting the current directory
	// to an open file descriptor.
	Path string

	// TODO(achille): it could be meaningful to move isFile from FD to a method
	// on this struct type, and expose it as `IsFile() bool` which derives the
	// result from the Filetype field. We would need to ensure that Filetype is
	// always set instead of being lazily initialized.
}

func (s *SysFile) init() {

// on a file type that does not use the poller.
var ErrNoDeadline = errors.New("file type does not support deadline")

// Return the appropriate closing error based on isFile.
func errClosing(isFile bool) error {
	if isFile {
		return ErrFileClosing
	}
	return ErrNetClosing
}

// ErrDeadlineExceeded is returned for an expired deadline.
// This is exported by the os package as os.ErrDeadlineExceeded.

	defer func() {
		TestHookDidSendFile(dstFD, src, written, err, handled)
	}()
	if err := dstFD.writeLock(); err != nil {
		return 0, err, false
	}
	defer dstFD.writeUnlock()

	if err := dstFD.pd.prepareWrite(dstFD.isFile); err != nil {
		return 0, err, false
	}

	dst := dstFD.Sysfd
	for remain > 0 {
		n := maxSendfileSize
		if int64(n) > remain {
			n = int(remain)
		}
		pos1 := pos